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Analysis

  • max time kernel
    121s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2023, 11:28

General

  • Target

    61cc47b3cb29dd8c5a7830c772d78614a502a4f30bd749cbfb33dbc0ec23a069.exe

  • Size

    644KB

  • MD5

    b5de7d490104abb8d55f5d8ecf394c8d

  • SHA1

    8217f73bdcb5c09f2090ad194fc0e236cf3335e8

  • SHA256

    61cc47b3cb29dd8c5a7830c772d78614a502a4f30bd749cbfb33dbc0ec23a069

  • SHA512

    324b53b9afad07350bf070fd200d8bec8c75c6179380bf94b07360726f4433d77ded8e19c52ec827b44b0f6f8e5c0130177f7317fa7962cc0e44b00e18f79243

  • SSDEEP

    12288:O2iNMyiRJU/WcpH96o4rhmzKOH6JhaMzSekgd21JlXq1yRBTK4:O1FFeuRmozHHk4ebEPBTK

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\61cc47b3cb29dd8c5a7830c772d78614a502a4f30bd749cbfb33dbc0ec23a069.exe
    "C:\Users\Admin\AppData\Local\Temp\61cc47b3cb29dd8c5a7830c772d78614a502a4f30bd749cbfb33dbc0ec23a069.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2616
    • C:\Users\Admin\AppData\Local\Temp\61cc47b3cb29dd8c5a7830c772d78614a502a4f30bd749cbfb33dbc0ec23a069.exe
      "C:\Users\Admin\AppData\Local\Temp\61cc47b3cb29dd8c5a7830c772d78614a502a4f30bd749cbfb33dbc0ec23a069.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2616-0-0x0000000001010000-0x00000000010B8000-memory.dmp

    Filesize

    672KB

  • memory/2616-1-0x0000000073EE0000-0x00000000745CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-2-0x0000000004A40000-0x0000000004A80000-memory.dmp

    Filesize

    256KB

  • memory/2616-3-0x0000000000330000-0x000000000034A000-memory.dmp

    Filesize

    104KB

  • memory/2616-4-0x0000000073EE0000-0x00000000745CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-5-0x0000000004A40000-0x0000000004A80000-memory.dmp

    Filesize

    256KB

  • memory/2616-6-0x0000000000310000-0x000000000031C000-memory.dmp

    Filesize

    48KB

  • memory/2616-7-0x0000000005520000-0x000000000559C000-memory.dmp

    Filesize

    496KB

  • memory/2616-20-0x0000000073EE0000-0x00000000745CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2856-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2856-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2856-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2856-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2856-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2856-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2856-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2856-19-0x0000000073EE0000-0x00000000745CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2856-21-0x0000000004BE0000-0x0000000004C20000-memory.dmp

    Filesize

    256KB

  • memory/2856-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2856-22-0x0000000073EE0000-0x00000000745CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2856-23-0x0000000004BE0000-0x0000000004C20000-memory.dmp

    Filesize

    256KB